RT null T1 Plastic Disclosure Project A1 United Nations Environment Programme, PB United Nations Environment Programme YR 2013 FD 2013-10 LK https://wedocs.unep.org/handle/20.500.11822/12144 UL https://wedocs.unep.org/handle/20.500.11822/12144 NO Power point presentation about the importance of measuring quanitatively the amount of plastic in the ocean DS UN Environment Document Repository RD Sep 21, 2026